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Is created automatically by ORACLE along with the data dictionary
Is in the SYS schema
Has one column, DUMMY, of type VARCHAR2(1), and contains one row with a value 'X'
Is useful for evaluating expressions with the SELECT statement, such as SELECT 7/8 from DUAL;
Check DUAL Table Enter your choice : 7 Reading init.ora information from applora.txt ... Connecting to SYSTEM.....Connected successfully SYS.DUAL has the correct number of rows. Granting privileges on SYS.DUAL... Review the messages above, then press [Return] to continue.